Primary Control Functions in a Pneumatic Circuit

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فهرست عناوین اصلی در این پاورپوینت

● Objectives
● Primary Control Functions
in a Pneumatic Circuit
● Basic Control Valve
Design and Structure
● Pressure Control Methods
and Devices
● Directional Control Methods and Devices
● Flow Control Methods
and Devices
● Special-Purpose Control Valves and Other Devices
● Selecting and Sizing Pneumatic Valves
● Review Question
● Glossary

نوع زبان: انگلیسی حجم: 6.55 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 101 صفحه
سطح مطلب: نامشخص پسوند فایل: ppsx
گروه موضوعی: زمان استخراج مطلب: 2019/05/16 03:30:25

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control, valve, ., pressure, inc., goodheart, willcox, co., reproduce, only, educational, permission,

توجه: این مطلب در تاریخ 2019/05/16 03:30:25 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

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۱ chapter ۱۸ controlling a pneumatic system pressure direction and flow ۲ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۳ objectives explain the function of the three general types of control valves used in pneumatic systems. describe the methods used to control air pressure in a pneumatic system. compare the design and operation of pneumatic pressure regulator valves. describe the design and operation of pneumatic system directional control valves. ۳ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۴ objectives name and compare the various types of construction used to assure sealing of the internal passages found in pneumatic directional control valves. list and compare the methods used to position control spools in pneumatic directional control valves. ۴ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۵ objectives describe the structure and operation of flow control valves used to control actuator speed in pneumatic circuits. explain how flow control valves are used in pneumatic circuits to control actuator speed. ۵ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۶ primary control functions in a pneumatic circuit control valves are used to establish the level of force and type of motion needed to operate a machine these valves control air pressure direction of airflow rate of airflow ۶ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۷ primary control functions in a pneumatic circuit pressure control valves limit maximum system pressure regulate the force or torque an actuator generates ۷ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۸ primary control functions in a pneumatic circuit directional control valves control airflow direction to establish the direction of actuator movement flow control valves regulate the rate of airflow to control actuator operating speed ۸ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۹ basic control valve design and structure the body of pneumatic system valves may be formed from metal casting standard bar stock precision bores and passageways are machined into the body hold component parts allow airflow that controls the operation of the valve ۹ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱ basic control valve design and structure cast valve body ۱ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۱ basic control valve design and structure bar stock valve body ۱۱ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۲ basic control valve design and structure the operation of a control valve depends on a series of control elements in the valve the elements used depend on function of the valve operating techniques preferred by the valve manufacturer ۱۲ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۳ basic control valve design and structure control elements include fixed orifices spools pistons diaphragms precision machined sliding plates needle and poppet valves ۱۳ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۴ basic control valve design and structure fixed orifice ۱۴ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۵ basic control valve design and structure needle valve ۱۵ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۶ basic control valve design and structure spool ۱۶ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۷ basic control valve design and structure diaphragm ۱۷ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۸ basic control valve design and structure precision machined sliding plate rotary directional control valve ۱۸ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۱۹ basic control valve design and structure varying the position of control elements within a control valve determines setting of the valve accuracy of system control ۱۹ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲ basic control valve design and structure the force used to position the internal elements of a control valve is provided by internal springs internal air pressure external pilot pressure electromagnets manually applied force ۲ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۱ basic control valve design and structure internal spring force ۲۱ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۲ basic control valve design and structure electromagnetic force solenoids ۲۲ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۳ pressure control methods and devices pressure control is provided in three specific areas of a pneumatic system air distribution system workstation areas portions of circuits operating within the workstation areas ۲۳ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۴ pressure control methods and devices the pressure in the distribution lines of a pneumatic system is controlled by bypass compressor capacity control system ۲۴ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۵ pressure control methods and devices bypass pressure control limits maximum system pressure by bleeding excess air to the atmosphere through a relief type valve the compressor in this system operates on a continuous basis the compressor continuously functions at the maximum pressure setting of the system ۲۵ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۶ pressure control methods and devices compressor capacity control limits maximum pressure using one of several different control methods compressor start stop inlet valve unloading compressor speed control control of the cross sectional area of the inlet in dynamic compressors ۲۶ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۷ pressure control methods and devices start stop compressor capacity control ۲۷ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۸ pressure control methods and devices control of air pressure at the workstation is provided by a pressure regulator it is often a part of the filter pressure regulator lubricator frl unit commonly used at the workstation ۲۸ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۲۹ pressure control methods and devices pressure regulator of an frl unit imi norgren inc. ۲۹ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۳ pressure control methods and devices pressure regulator is required at the workstation due to air from the distribution line is at a higher pressure than desired varying distribution line pressure caused by the compressor capacity control system ۳ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۳۱ pressure control methods and devices a variety of pressure regulator designs are used to control workstation pressure direct operated basic diaphragm chamber relieving balanced poppet pilot operated ۳۱ goodheart willcox co. inc. permission granted to reproduce for educational use only. ۳۲ pressure control methods and devices when sections of a circuit require maximum air pressures lower than that provided by the frl unit additional pressure regulators may be inserted …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: control, valve, ., pressure, inc., goodheart, willcox, co., reproduce, only, educational, permission,

این فایل پاورپوینت شامل 101 اسلاید و به زبان انگلیسی و حجم آن 6.55 مگا بایت است. نوع قالب فایل ppsx بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/05/16 03:30:25 استخراج شده است.

https://www.g-w.com/ppt/9781605259314_ch18.ppsx

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